package com.sky.controller.admin;


import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
* 菜品相关接口
* */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /*
    * 新增菜品
    * */
    @PostMapping
    @ApiOperation(value = "新增菜品")
    public Result addDish(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO.toString());
        dishService.addDishWithFlavors(dishDTO);

        String key = "dish_list_" + dishDTO.getId();
        cleanCache(key);

        return Result.success();
    }

    /*
    * 菜品分页查询
    * */
    @GetMapping("/page")
    @ApiOperation(value = "菜品分页查询")
    public Result<PageResult> findAllByPgae(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.findAllByPage(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /*
    * 批量删除菜品
    * */
    @DeleteMapping
    @ApiOperation(value = "批量删除菜品")
    public Result deleteBatchDish(@RequestParam List<Long> ids){
        log.info("批量删除菜品：{}" ,ids);
        dishService.deleteBatchDish(ids);
        cleanCache("dish_list_*");
        return Result.success();
    }

    /*
    * 根据id查询菜品信息
    * */
    @GetMapping("/{id}")
    @ApiOperation(value = "根据id查询菜品信息")
    public Result<DishVO> findDishById(@PathVariable Long id){
        log.info("根据id查询菜品信息id为：{}", id);
        DishVO dishVO = dishService.findDishById(id);
        return Result.success(dishVO);
    }

    /*
    * 修改菜品信息
    * */
    @PutMapping
    @ApiOperation(value = "修改菜品信息")
    public Result updateDish(@RequestBody DishDTO dishDTO){
        log.info("修改菜品信息{}", dishDTO);
        dishService.updateDish(dishDTO);
        cleanCache("dish_list_*");

        return Result.success();
    }

    /*
    * 菜品的状态修改
    * */
    @PostMapping("/status/{status}")
    @ApiOperation(value = "菜品的起售停售")
    public Result updateDishStatus(@PathVariable Integer status, Long id){
        log.info("菜品的状态修改：{} {}", status, id);
        dishService.updateDishStatus(status, id);
        cleanCache("dish_list_*");

        // 如果是停售操作，清理关联套餐的缓存
        if (status == StatusConstant.DISABLE) {
            cleanCache("setmeal::*"); // 新增：清理套餐缓存
        }

        return Result.success();
    }

    /*
    * 根据id分类查询菜品
    * */
    @GetMapping("/list")
    @ApiOperation(value = "根据id分类查询菜品")
    public Result<List<Dish>> listByCategoryId(@RequestParam Long categoryId){
        log.info("根据id分类查询菜品：{}", categoryId);
        List<Dish> dishList = dishService.listByCategoryId(categoryId);
        return Result.success(dishList);
    }

    /*
    * 清理全部缓存的方法
    * */
    private void cleanCache(String pattern){
        //获取redis的全部菜品缓存数据
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
